Hand pump



FIG. 1 is a perspective view of the hand pump, particularly showing the inventive design thereof;

FIG. 2 is a rear perspective view of the hand pump, particularly showing the inventive design thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

It being understood that the broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a hand pump, as shown and described. 